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          Offices cannot work properly ______ certain important ______. 

          A. without; equipments 
          B. without; pieces of equipment
          C. unless; equipments
          D. unless; pieces of equipment 
          			
          

			
          
				
          
		
		
	
          
		
          
			
          
				
          
				B				
          
			
          
			
          
				
          
			
          
			
          
				
          
			
          
			
          
				
          
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				相關(guān)習題
			
          	
						
          
			
          
				科目：高中英語
				來源：同步題
				題型：單選題
			
          
									
          Offices cannot work properly ______ certain important ______. 
          

          [     ]
          A. without; equipments 
          B. without; pieces of equipment
          C. unless; equipments
          D. unless; pieces of equipment 
          

			
          
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